Investing basics
Fixed income and equities, building assets, short and long term, going long and short, and leverage. Start here.
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Investing
Money with a head on its shoulders, no hype.
Educational content about portfolio, crypto and stocks, plus a lab where I test strategies in public.
Educational content, not financial advice. Nothing I publish is a recommendation to buy.
Calculators
Your house, your car, your phone, your small daily expenses, your monthly investing and where to start your portfolio. With your numbers, in your browser.
Enter →Free guide
Economics, investing and portfolio in a few pages. I'll email it to you.
Enter →From the economy to the stock market
An easy story: how money was born, what a public company is, why an investment goes up, and the markets everyone names.
Enter →Blockchain and crypto
From Satoshi Nakamoto to Web3: the problem Bitcoin solved, what a blockchain is, and what is hype.
Enter →What would have happened if…
Hypothetical buys at the worst moment of the past year: bitcoin, ethereum, gold, silver, SpaceX, Nvidia, AMD, Apple and Google. Real data, verifiable dates.
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Paper · updatedNasdaq Lab
A support-and-resistance system trading on paper, long and short, with an automatic judge. Good and bad results, updated.
Enter →Latest notes
See all notes →This story is in Spanish for now; the English version is on its way.
La semana en cinco números: la peor del Nasdaq desde junio
El Nasdaq perdió 4,5 % en la semana, el petróleo subió más de 10 %, la inflación salió por encima de lo esperado y el dinero rotó hacia salud y energía. Qué pasó, por qué importa y qué miro.
Read →Semana roja en el Nasdaq, petróleo arriba y el Roadster "volador" de Tesla
El Nasdaq cerró la semana con una caída cercana al 4,5 %, el petróleo subió por la tensión en Medio Oriente y Tesla presentó su nuevo Roadster. Qué pasó, por qué importa y qué miro yo.
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